Fuzzy Modeling to Predict Severely Depressed Left Ventricular Ejection Fraction following Admission to the Intensive Care Unit Using Clinical Physiology

Table 4

Normal range of values for each physiological variable.

Variables	Normal range
Systolic NBP (mmHg)	90 to 119 [26]
Respiratory rate (breaths/minute)	12 to 24 [32]
Blood urea nitrogen (mg/dL)	7 to 21 [33]
Hemoglobin (mmol/L)	8.56 to 11.17 (7.51 to 9.37 for women) [34]
White blood cells (×10^3 cells/L)	3.5 to 9 [35]
Sodium (mmol/L)	135 and 145 [36]